SOLUTION: Hello please help! Evaluate the exponential function for three positive values of x, three negative values of x, and at x=0. Show your work. State the domain and the range o

Question 341473: Hello please help!

Evaluate the exponential function for three positive values of x, three negative values of x, and at x=0. Show your work. State the domain and the range of the function.
f(x) = e^x
Any help is appreciated!
Thanks in advance
Answer by Alan3354(69443) (Show Source): You can put this solution on YOUR website!
Evaluate the exponential function for three positive values of x, three negative values of x, and at x=0. Show your work. State the domain and the range of the function.
f(x) = e^x
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Just do what it says.
At x = 0, f(x) = 1 (anything to the power of 0 = 1)
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x = 1, f(x) = e
x = 2, f(x) = e^2
x = 3, f(x) = e^3
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x = -1, f(x) = 1/e
x = -2, f(x) = 1/e^2
etc
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Most calculators have an ln (natural log) button, and the shift of it is e^x. If your calculator doesn't have that, get one that does.
This is just a calculator exercise.
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The domain is all real numbers. The range is f(x)>0

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